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瑞氏木霉疏水蛋白HFBI的分离纯化 被引量:1

Isolation and Purification of Trichoderma reesei Hydrophobin HFBI
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摘要 通过对瑞氏木霉(Trichodermareesei)疏水蛋白HFBI的一系列抽提纯化,确定了瑞氏木霉疏水蛋白的抽提纯化工艺。比较几种疏水蛋白粗提方法,选用了1%的SDS进行抽提,KCl沉淀后,经过Berol532双水相萃取得到粗提品;通过SephadexG-25、Q-Sepharose的纯化后,样品中疏水蛋白HFBI占总蛋白含量的98%以上,总回收率可达62·42%。 This article concentrates on isolation and purification of Trichoderrna reesei hydrophobin HFBI. After isolation with 1% SDS, KCl percipitation and Berol 532 aqueous two-phase extraction, the crude extract is further purified with Sephadex G-25 and Q-Sepharose. The purity of the hydrophobin HFBI sample is more than 98% and the recovery ratio is 62.42%.
出处 《食品与发酵工业》 CAS CSCD 北大核心 2005年第7期129-132,共4页 Food and Fermentation Industries
基金 天津市自然科学基金资助项目(023609411) 天津市科技攻关重点项目(023105511) 天津市科技攻关国际合作项目(033900311G)
关键词 疏水蛋白 双水相萃取 离子交换 回收率 分离纯化 瑞氏木霉 水蛋白 SEPHADEX 总蛋白含量 纯化工艺 hydrophobin, aqueous two-phase extaction system, ion exchange chromatogarphy, recovery ratio
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参考文献7

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